[Histochemical studies of the anal canal].
D000328:Adult; D000368:Aged; D001003:Anal Canal / Q000033:anatomy & histology* / Q000378:metabolism; D002648:Child; D002675:Child, Preschool; D005260:Female; D006651:Histocytochemistry; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000033:anatomy & histology